Homemade Laundry Soap

Prep: 30 min Cook: 60 min

Homemade laundry soap offers an effective and economical cleaning solution with a powerful mix of fats and cleaning agents. Suitable for those who prefer natural, customizable products, it effectively removes dirt and stains, leaving clothes fresh and clean with a simple, eco-friendly process.

Be the first to rate this recipe

Ingredients

  • 10 lb. lukewarm melted grease
  • 2 (1 lb.) cans lye
  • 2 qt. cold water
  • 6 tsp. salt
  • 4 Tbsp. sugar
  • 6 Tbsp. Borax
  • 1 c. cold water
  • 1/2 c. ammonia

Instructions

  1. Dissolve lye in cold water, being careful not to let it splash.
  2. Let the lye solution stand until cool.
  3. Add warm melted grease slowly to the cooled lye solution, stirring constantly.
  4. Add salt, sugar, borax, cold water, and ammonia to the mixture.
  5. Stir until the mixture becomes thick, about one hour.

Tips & Substitutions

When making homemade laundry soap, always wear gloves and safety goggles, as lye can be hazardous. If you don’t have ammonia, you can omit it or substitute with white vinegar for a gentler solution. Stir continuously to ensure even mixing and prevent clumping. Make sure to use a well-ventilated area to avoid inhaling fumes from the lye.

Serving Suggestions

This homemade laundry soap is perfect for all types of laundry, including delicate fabrics. For enhanced cleaning power, consider adding a scoop of oxygen bleach for whites or a few drops of essential oil for fragrance. It pairs beautifully with Yummy Punch for a refreshing household cleaning day. Remember to use it sparingly, as a little goes a long way.

Storage & Reheating

Store the finished laundry soap in a cool, dry place in a sealed container to prevent moisture absorption. If you have any leftovers, make sure to label them properly. For best results, use within six months. Reheat gently if necessary, but it's usually used in its solid state for laundry purposes.

Nutrition & Diet Analysis (per serving)

Each serving of Homemade Laundry Soap contains roughly 754 calories, with 5g protein, 54g carbohydrates, and 60g fat. It is an excellent source of vitamin C (91% of the Daily Value) and dietary fiber (36% of the Daily Value), and a good source of potassium and protein. Note that it is relatively high in sodium, at 1855mg per serving (81% of the Daily Value).

754 kcal 38% DV
Protein Fat Carbs

Macronutrients

Protein 4.8g 10% DV
Total Fat 60.4g 77% DV
Carbs 54.2g 20% DV
Fiber 10.1g 36% DV
Sugar 0g

Electrolytes

Sodium 1854.6mg 81% DV
Potassium 564mg 12% DV
Cholesterol 57mg 19% DV

Vitamins & Minerals

Vitamin C 82.3mg 91% DV
Vitamin D 1.5mcg 8% DV
Calcium 59.1mg 5% DV
Iron 1.4mg 8% DV
Diet fit High-fiber

Estimated from ingredients & per-serving nutrition — verify against package labels for allergies or strict diets.

* % Daily Values based on a 2,000 calorie diet (FDA 2020).

Frequently Asked Questions

Can I use this laundry soap in high-efficiency washers?

Yes, but use it sparingly, as high-efficiency washers require less soap than traditional machines. Start with a half tablespoon for regular loads and adjust as needed. Always check your washer's manual for specific detergent recommendations.

How do I know if the laundry soap is mixed properly?

The mixture should become thick and gel-like after stirring for about an hour. If it remains too liquid, continue stirring until it reaches the desired consistency. Proper mixing ensures the lye and grease emulsify, providing effective cleaning power.

Can I customize the scent of the laundry soap?

Absolutely! You can add a few drops of your favorite essential oils to the mixture before it thickens. Popular choices include lavender, lemon, or eucalyptus, which not only add fragrance but can also provide additional cleaning properties.

Nutrition is estimated from USDA FoodData Central ingredient data and may vary with brand, portion and preparation — see our methodology. This information is for general educational purposes only and is not medical or dietary advice (disclaimer).

Vegan recipes → Vegetarian recipes → All recipes →